AMD Radeon RX 7900M vs AMD Zhongshan Subor Z+ GPU
GPU · Specs Compare
Graphics Card
Release Date
Oct 2023
Aug 2018
Generation
Navi Mobile
Console GPU
Type
Mobile
Game console
Bus Interface
PCIe 4.0 x16
—
Clock Speeds
Base Clock
1825 MHz
—
Boost Clock
2090 MHz
—
Memory Clock
2250 MHz
1200 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
153.6GB/s
Render Config
Compute Units
72
24
Shading Units
4608
1536
TMUs
288
96
ROPs
192
32
RT Cores
72
—
L1 Cache
256 KB per Array
—
L2 Cache
6 MB
—
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
401.3 GPixel/s
41.60 GPixel/s
Texture Rate
601.9 GTexel/s
124.8 GTexel/s
FP16 (half)
77.05 TFLOPS
7.987 TFLOPS
FP32 (float)
38.52 TFLOPS
3.994 TFLOPS
FP64 (double)
1204 GFLOPS
249.6 GFLOPS
Graphics Processor
GPU Name
Navi 31
Fenghuang
GPU Variant
Navi 31
Zhongshan Subor
Architecture
RDNA 3.0
GCN 5.0
Foundry
TSMC
TSMC
Process Size
5 nm
14 nm
Transistors
57.7 billion
Unknown
Die Size
529 mm²
397 mm²
Board Design
TDP
180W
100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
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Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.8
6.2
Benchmark
3DMark Time Spy
18,218
—
3DMark Time Spy Extreme
8,440
—
3DMark Speed Way
3,943
—
Blender
2,583
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.